/**
* Recursive function to generate default expose columns
*
* @param array $fields - array to be populated recursively (referenced)
* @param string $class - name of the class to process
* @param EntityManagerRegistry $emr - entity manager registry used to fetch class information
* @param integer $depth - maximum depth you want to travel through the relations
* @param integer $fetchType - The fetch type to be used
* @param integer|null $fetchType - The required fetch type of the relation
*/
protected function processExposeDepth(&$fields, $class, EntityManagerRegistry $emr, $depth = 0, $fetchType = null)
{
$this->registered_expose_classes[] = $class;
if ($depth > 0) {
/** @var \Doctrine\ORM\Mapping\ClassMetaData $metaData */
$metaData = $emr->getManagerForClass($class)->getClassMetadata($class);
$fields = $metaData->getColumnNames();
if ($depth - 1 > 0) {
--$depth;
foreach ($metaData->getAssociationMappings() as $key => $assocMapping) {
if (!in_array($assocMapping['targetEntity'], $this->registered_expose_classes) && (is_null($fetchType) || $assocMapping['fetch'] == $fetchType)) {
$this->processExposeDepth($fields[$key], $assocMapping['targetEntity'], $emr, $depth, $fetchType);
}
}
}
}
}
